The Sydney Airport hoses down a taxiing Air India Dreamliner (Boeing 787) - but it's just a water salute, not an attempt to extinguish any lithium-ion cell fires. Air India began resuming direct flights to Australia after a 16-year absence.

So that visitors can pose for photos in front of Hong Kong's "beautiful skyline," the city has thoughtfully erected a billboard that shows the waterfront on a clear day, which almost never happens. Apparently tourists find it more appealing than the real thing.

as he falls to the ground in downtown Bogota as other police (background) charge demonstrators. The students were protesting in support of farmers demanding lower fertilizer prices and an end to free trade agreements promoted by the government.